119results about How to "Extensive sources of materials" patented technology

The invention provides a preparing method for a carbon nano tube foam material. The method comprises the steps that cheap polymer foam serves as a template, the processes of in-situ formation of a catalyst, partial thermal cracking removing of the polymer template, growth of carbon nanomaterials and the like are synchronously carried out by controlling experiment conditions, and the carbon nano tube foam material efficiently grows, wherein the carbon nano tubes are wound and woven into a mesh structure in the three-dimensional directions of a carbon framework and have distributed pore diameters of multiple dimensions, and the obtained material has the large specific surface area, the controllable porosity, good hydrophobicity, excellent electrical conductivity, a unique hollow frame structure, and application value in the fields of composite materials, sensing, oil and water separation and the like. According to the method, reaction conditions such as gas flow, gas introducing time, the reaction temperature and the catalyst are optimized, and thus the carbon nano tube foam material of a foam structure is obtained and has excellent adsorption performance on various kinds of oil and organic solvent. The defect of an existing carbon nano tube foam material preparing method is overcome.

The present invention relates to a wood pulp nonwoven fabric for manufacturing filter tip of cigarette. Said invention uses wood pulp fiber and high-melting point synthetic fiber or/and artificial fiber as raw material and adopts air laying mode to make them into fiber web, then utilizes adhesive to make crosslinking reaction so as to obtain the invented nonwoven fabric for manufacturing filter tip of cigarette.

The invention relates to a novel spraying agent for reducing indoor haze, and an application thereof, and belongs to the technical field of air cleaning. The novel spraying agent for reducing indoor haze adopts a nitrogen-containing alkaloid plant extract product as a main active component, the main active component is compounded with polyvinylpyrrolidone and glycosaminoglycan, and a polyvinylpyrrolidone, glycosaminoglycan and deionized water mixture is wrapped into a respirable particle through the adsorption of the nitrogen-containing alkaloid, so the indoor haze concentration is effectively reduced. The spraying agent can be directly added into a sprayer and is used for indoor sprinkling to remove suspension particle dusts in air and reduce haze; and the spraying agent can be matched with an air conditioner to reduce indoor haze in order to reduce the indoor haze concentration and make indoor environment reach below third level in Technical Regulation on Ambient Air Quality Index HJ633-2012.

The invention discloses a floating exercising seedling and cultivating method of dendrobium officinale tissue culture seedling. The floating exercising seedling and cultivating method: 1) building of a floating exercising seedling pool: site selection, pool building and shed erecting; 2) matrix selection and treatment; 3) before and after bottle-outlet management of tissue culture seedling; 4) floating breeding plate and transplanting method; and 5) exercising seedling nutrient solution preparation of the tissue culture seedling. By means of the floating exercising seedling and cultivating method of dendrobium officinale tissue culture seedling, the exercising seedling time of the dendrobium officinale is shortened, plant survival rate is improved, growth of seedling is promoted, the exercising seedling time is reduced to 1.5 months from the conventional 3 months, the plant survival rate is improved to about 99% from the traditional 60-70%, the plant can grow about 4.5-7cm averagely compared with the conventional exercising seedling period which has zero growth, 5-7 stem sections can be added, the stem thickness can grow 0.27-0.52cm averagely, the number of blades is increased by 7-10, the number of roots is increased by 1-7, the length of the roots is increased by 0.12-0.69cm, and the root thickness is increased by 0.14-0.15cm.

The invention discloses a simple method for preparing a nano-silver antibacterial solution, which is mainly characterized in that the nano-silver solution is prepared by taking a high-pressure sterilizing pot as a reaction environment, utilizing silver nitrate as a silver source and using soluble starch and other polysaccharide substances as protective agents; the average particle size of the nano-silver in the solution is less than 10 nanometers; the solution can have antibacterial effects under low concentration; and the method is simple in process, high in efficiency, high in the concentration (up to 10000 ppm) of the prepared nano-silver solution, few in impurities and high in stability, and can be widely applied to electronic, textile, medical health, food, coating, plastic and other fields.

The invention discloses a single-sided corrugated plate type pulsating heat pipe which comprises a bottom plate, a corrugated plate and a first communication cavity and is characterized in that: the bottom plate is a plane metal plate; one end of the bottom plate is provided with the first communication cavity in sealed connection with the bottom plate; the section of the corrugated plate is of a continuous triangular shape, sinusoidal shape or other periodical curve shape; the two ends along the extension direction of the wave of the corrugated plate are in sealed connection with the bottom plate; one end vertical to the extension direction of the wave of the corrugated plate is in sealed connection with the first communication cavity, and the other end is in sealed connection with the bottom plate; two adjacent troughs of the corrugated plate are welded on the bottom plate through spot welding to form multiple pulsating channels vertical to the extension direction of the wave of the corrugated plate; and adjacent channels are communicated through hair cracks. The equivalent coefficient of heat conductivity of the single-sided corrugated plate type pulsating heat pipe is two orders of magnitude higher than that of an aluminum extruded radiator and 2-3 times higher than that of the related flat heat pipe; and the single-sided corrugated plate type pulsating heat pipe can be horizontally mounted and is particularly suitable for recycling the ventilation energy of an air conditioner as well as radiating and cooling electronic devices.

The invention discloses a manufacturing method of the wheel center of a dehumidification rotating wheel. The method comprises the following steps of: firstly, mixing powdered materials capable of adsorbing liquid water with binder, suspending agent solid and water to form a sizing agent; secondly, coating the sizing agent obtained on a carrier; thirdly, thermally pressing the carrier coated with the sizing agent to a corrugated shape; rolling or folding the obtained corrugated carrier into a wheel center and baking; and finally placing the obtained wheel center into a LiCL solution for soaking to obtain the final wheel center. The wheel center obtained by adopting the method has stronger moisture absorption performance, and practice proves that the air processing effect is very obvious by adopting the wheel center of the dehumidification rotating wheel. The moisture content and the dew-point temperature of output air of damp air processed by the wheel center are both very low, therefore, the invention can be widely applied to the field of air dehumidification and replace the traditional fixed rotating wheel dehumidification and liquid spraying dehumidification.

The invention discloses a shearing reinforcing type semi-grouting sleeve which comprises a sleeve body, wherein the sleeve body is of a tubular structure; an elastic rubber sealing ring is arranged at the opening of one end of the sleeve body; a threaded connecting piece is arranged at the opening of the other end of the sleeve body; a grouting hole and a discharge hole are formed in side walls close to the end parts of the sleeve body; bolt holes are formed in the side wall along the sleeve body; anti-shearing bolts are arranged inside the bolt holes. The shearing reinforcing type semi-grouting sleeve has the advantages of wide material resource, simplicity in machining and manufacturing, reliability in property and the like, can greatly overcome the defects that the conventional cast iron or cast iron steel sleeve is complex to manufacture and high in cost, a mechanical milling sleeve is labor and time waste, and the like, can be widely applied to assembled type concrete structures, and has wide engineering application prospects.

The invention relates to castor oil modified Pickering emulsion with stable cellulose and a preparation method of the castor oil modified Pickering emulsion. The preparation method of the castor oil modified Pickering emulsion comprises the following steps: carrying out esterification reaction on castor oil and a mercaptan carboxylic acids compound to prepare thiolated castor oil; adding dopamine hydrochloride in nano-cellulose aqueous dispersion under the condition of alkalescence to modify the nano-crystalline cellulose aqueous dispersion so as to obtain polydopamine modified nano-cellulose acetone dispersion; then adding the thiolated castor oil in the dispersion to obtain black brown castor oil modified nano-cellulose powder; dispersing the castor oil modified nano-cellulose powder in deionized water to form uniform castor oil modified cellulose aqueous dispersion; and then uniformly mixing the uniform castor oil modified cellulose aqueous dispersion with an oil phase to obtain the milky castor oil modified Pickering emulsion with stable cellulose. The prepared Pickering emulsion is stable in performance and long in storage life, and is expected to be used in the fields of cosmetics, medicines, petroleum, waste water treatment and the like.

The invention provides a rapid cultivation device and method of a daphnia magna laboratory and belongs to the field of cultivation of zooplankter. The rapid cultivation device comprises supports, base plates, water bath tanks, a water storage tank, cultivation cups, heating rods, thermometers, turbulence pumps, a fluorescent lamp and a time controller. Each base plate is arranged at the bottom of the corresponding support. The storage water tank is arranged on the base plate of the bottommost support. The water bath tanks are arranged on the base plates of the two upper supports. One thermometer, one turbulence pump and two heating rods are arranged in the water storage tank. Each water bath tank is provided with one thermometer, two heating rods and six cultivation cups. The fluorescent lamp is located above the portion deviating from the center of the support and is parallel to the support. The time controller is in contact with the fluorescent lamp. The rapid cultivation device is easy and convenient to operate, high in operability, easy to set up and free of a complicated device structure. Daphnia magna cultivated through the rapid cultivation device is rapid in reproduction and large in quantity, the life condition of the daphnia magna is stable, and the individual difference of the daphnia magna is small, so that results of toxic tests of fleas are stable and reliable, the test quality is guaranteed, and enough test materials can be provided for tests such as removal of zooplankter pollution to water in the industry of water treatment at the same time.

The invention relates to solid-liquid dual-purpose sterilization moisturizing perfumed soap and a producing method thereof, the solid-liquid dual-purpose sterilization moisturizing perfumed soap is characterized by comprising the following components in parts by weight: 20-30 parts of honeysuckle, 10-15 parts of China rose, 10-15 parts of chrysanthemum, 5-8 parts of caustic soda, 3-5 parts of stearic acid, 20-25 parts of olive oil, 5-7 parts of coconut oil, 2-4 parts of a bactericide, 6-8 parts of citric acid, 5-7 parts of collagen and water as a solvent. The solid-liquid dual-purpose sterilization moisturizing perfumed soap can be made into sterilization moisturizing liquid soap, also can be made into sterilization moisturizing solid soap, and is solid-liquid dual-purpose, and by addition of the bactericide, the solid-liquid dual-purpose sterilization moisturizing perfumed soap is strong in sterilization, safe and efficient.

The invention relates to a polysubstituted benzothiophene thiazole and a derivative and a synthetic method thereof. The method comprises the steps that ketoxime ester compounds, formaldehyde compoundsand powdered sulfur are converted into 2-polysubstituted benzothiophene-[3,2-d] thiazole and the derivative in the air atmosphere under Cu catalysis for the first time, and the obtained product is stable in molecular structure and good in chemical property. According to the synthesis method, reaction raw materials are cheap and easy to obtain, no preprocessing is needed, and the atom economy of the reaction is high; only cheap copper catalyst needs to be adopted in the reaction, environment contaminations are reduced, raw materials are saved, and the reaction cost is lowered; the whole reaction system is simple, reaction conditions are mild, a small amount of reaction equipment is needed, the experiment operation is easy and convenient, and the adopted materials are wide in source.

The invention provides a preparation method of a seawater and sea sand concrete material for 3D printing. The invention also provides a seawater and sea sand concrete product and a preparation methodthereof. Rich seawater and sea sand resources in coastal regions of China are fully utilized, and a novel seawater and sea sand concrete material for 3D printing is researched to solve the problem ofgreen construction of a concrete structure in a severe ocean environment. A 3D printing intelligent construction technology is combined with seawater and sea sand concrete; the formula of the seawaterand sea sand concrete is optimally designed; on the basis of auxiliary cementing material co-doping, synthetic plastic fiber toughening and admixture blending; the seawater and sea sand concrete material meeting 3D printing requirements is prepared and can be applied to development of intelligent construction technologies and ocean engineering in the field of civil engineering in the future, so that the application of the seawater and sea sand concrete material has high social benefits and practical significance, and the technology can be popularized to military engineering.

The invention belongs to the technical field of bio-based materials, and particularly relates to an artificial biological dura mater and a preparation method thereof. The artificial biological dura mater is prepared from the following raw materials of bacterial cellulose and collagen according to a mass ratio of (0.1 to 3):10; any crosslinking agent is not added, so that the adverse effect to therepair process of the dura mater by the crosslinking agent is reduced, and the clinical use safety of the dura mater product is improved. The artificial biological dura mater has the advantages that the artificial biological dura mater is prepared by an electrostatic spinning method; the pH (potential of hydrogen), temperature and other technology conditions are strictly controlled, so that the good biocompatibility and mechanical property are realized, the requirement of operation suture in the clinical use process is met, and the leakage of cerebrospinal fluid is effectively prevented.

The invention discloses a method for preparing a bovine cortical bone grafting material, comprising the following steps: degreasing and decalcifying a cleaned bovine cortical bone block, immersing the bovine cortical bone block in an inhibitor of a bone morphogenetic protein degrading enzyme, then performing deproteinization, and finally obtaining the bovine cortical bone grafting material by freezing and drying. The preparation method has the advantages of simple steps, wide material source, low cost, low antigenicity of the obtained bone grafting material, strong bone formation inducibility, high biomechanical strength.

The invention belongs to the field of biomedical polymer materials, and discloses a micro-needle array patch capable of generating gas to take effect quickly and preparation and application thereof. The micro-needle array patch comprises a substrate and a needle tip located on the substrate, the substrate is composed of a biocompatible matrix, the needle tip is mainly composed of the biocompatible matrix and inorganic particles capable of generating gas, and the inorganic particles capable of generating gas are formed on the surface and/or in the biocompatible matrix of the needle tip; the needle tip part of the micro-needle array patch can interact with skin tissue fluid to generate gas during application, rapid dissolution of micro-needles and diffusion of drugs to a corium layer are promoted, and the drugs can be efficiently and rapidly delivered to subcutaneous parts and take effect without the help of external equipment.

The invention relates to a 4, 4-disubstituted-4, 5-dihydro-1H-imidazole-5-one and derivatives thereof as well as a synthesis method thereof. The synthesis method adopts the technical scheme that amidine compounds and ketones are converted into imidazolone and derivatives thereof in the absence of catalysts just under the action of alkali by using air or oxygen as an oxidant and pyridine, quinoline, triethylamine, NMP, DMA, DMSO, 1, 4-dioxane, toluene and the like as an organic solvent. The synthesis method overcomes the difficulties of the existing method for synthesizing imidazolone compounds of complicated synthesis steps, multi-step synthesis processes as well as the use of metal catalysts, metal oxidants or peroxides of chemical equivalent; and 4, 4-disubstituted-4, 5-dihydro-1H-imidazole-5-one and the derivatives thereof are suitably used as multifunctional materials, and are important raw materials especially for producing the medicine Avapro for treating high blood pressure.

The invention provides novel environment friendly printing ink and a manufacture method and application thereof. The novel environment friendly printing ink is prepared from the following raw materials (by weight): 26-32 parts of vinyl chloride-acrylate copolymer resin, 3-4 parts of methyl methacrylate, 3-9 parts of acrylic resin, 4-7 parts of acetyl tributyl citrate, 10-13 parts of butanol and octanol, 0.3-0.6 part of 2-thiolbenzimidazole, 0.4-0.7 part of diazolidinylurea, 1-4 parts of attapulgite, 0.6-0.9 parts of ammonium persulfate, 0.5-0.8 part of chitosan, 2-3 parts of palm oil, 3-5 parts of organic pigment, 4-6 parts of an auxiliary agent and a proper amount of water. The product has advantages of low cost, diversification of functions, antibiosis, high temperature resistance, high hardness, wear resistance, chemical corrosion resistance, fast drying speed, good printing adaptability and the like. The preparation method is simple, is convenient to operate, and has strong practicability.

The invention provides a natural preservative. The natural preservative is prepared from pure natural plant materials, does not contain artificial chemical substances or biological products of animal origin, is suitable for being used as a food additive for vegans, is prepared from Chinese arborvitae twigs, cedarwood, liquorice roots, lavender, anise, fennel, honeysuckle flowers, rosemary, green tea, ginkgo leaves and bamboo leaves in an alcohol heating extraction manner. The natural preservative is safe to use, cannot influence the original taste of food, is widely sourced, is low in preparation cost and high in safety, has wide application prospect and relatively wide antimicrobial spectrum, can inhibit food-borne pathogenic bacteria and putrefying bacteria, is especially suitable for the vegans and can also be used as food seasoning.

The invention discloses a bubble dedusting system for air dust in a mine roadway. The bubble dedusting system comprises an air pipe, a water pipe, a liquid dispensing box, valves, a pressure gauge, a flow meter and foaming machines, wherein the air pipe is conveyed to the foaming machines after being decompressed by high-pressure air in a high-pressure air pipe through an air-pressure regulating valve; the water pipe is formed by a branch pipe which is separated from an underground water supply pipe; the water quantity is regulated by a flow valve so as to supply water into the liquid dispensing box; each foaming machine is formed by a shell, a built-in water pipe, a foaming net, an air distributing plate and a bubble outlet; three foaming machines are arranged in one group; the bubble outlets of the foaming machines are arranged backwards relative to the air flow direction by 45-55 degrees; a foaming agent is formed by water, glycerol, detergent, vinegar, bath foam and soapy water; the size of each of the manufactured bubbles can be controlled by air pressure, and the number of the bubbles can be regulated according to a ratio of the foaming agent. The bubble dedusting system disclosed by the invention has the advantages that the structure is simple, the material source is wide, no pollution is generated, the air dust in the air flow of the roadway can be effectively adhered due to the floating of a large amount of bubbles, and the dedusting effect is achieved; the bubble dedusting system is suitable for air dust control of a mine air return roadway, a driving face, a stope face, a belt conveying transferring point and a milling coal hole.

The invention relates to a simple domestic cigarette-rolling machine which can not only roll a national unified standard cigarette but also roll the cigarette that is bigger or smaller, looser or tighter, longer or shorter than the standard cigarettes and a filter-tipped cigarette. The simple domestic cigarette-rolling machine is very simple in structure, can be operated easily by a labor, is convenient to use, and is cheap and light. The simple domestic cigarette-rolling machine is composed of a fixed bottom plate, a baffle plate, a roller, a movable push plate and a rolling tape. Two sides of the fixed bottom plate are fixedly connected by the baffle plate; the roller is in flexible connection with the baffle plate; two ends of the rolling tape and the movable push plate engraved with a cigarette slot are fixedly connected; and the movable plate is put in the fixed bottom plate. When the cigarette is rolled, the rolling tape is pressed in the cigarette slot, cigarette tobacco is put in the cigarette slot, cigarette paper pasted with glue is put in the middle of the rolling tape, the movable push plate is pushed forward by fingers to a tail end, and thus a finished cigarette is rolled.

The invention discloses a water-based anti-static bonding agent for shoes and a preparation method thereof. The water-based anti-static bonding agent for shoes comprises the following components in parts by weight: 45-55 parts of natural emulsion, 0.8-1.2 parts of grinding water-based vulcanization system, 0.4-0.6 part of ammonia water, 0.4-0.6 part of peregal O, 0.25-0.35 part of antistatic agent, 0.04-0.06 part of sodium carboxymethylcellulose and 0.8-1.2 parts of soft water. Research is carried out on the formula and the preparation method of the water-based anti-static bonding agent for shoes, a safe and environment-friendly anti-static bonding agent with good bonding performance is obtained, raw materials are available, cost is low, safety is high, and the preparation technology is simple, so that the water-based anti-static bonding agent is applicable to industrial production; and the preparation method is simple and practicable, cost is low, and the water-based anti-static bonding agent for shoes has a good using effect.